Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – With particular drive
Patent
1994-09-12
1996-07-16
Darling, John P.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
With particular drive
2423567, G11B 1543
Patent
active
055359574
ABSTRACT:
A video cassette recorder is provided with a reel table driving apparatus for preventing slackness of a loaded magnetic tape in the switching of the operating mode, which comprises a pair of idlers disposed between a supply reel table and a take-up reel table rotatably mounted to a deck of the recorder, a support plate mounted to the deck for movably supporting the respective idlers, coil springs for biasing the respective idlers upward, a slide plate slidably mounted the deck for causing at least one of the idlers to selectively engage with and disengage from the supply and the take-up reel tables, and a driving mechanism for transmitting its drive force to one of the reel tables through the one of the idlers. The support plate includes a pair of generally curved slots arranged in a substantially opposite relationship with each other, which are adapted to accommodate shafts of the respective idlers therein. The slide plate includes a series of camming faces formed at a lower portion thereof, which are engaged with the shafts of the idlers.
REFERENCES:
patent: 3009663 (1961-11-01), Armstead
patent: 3610553 (1971-10-01), Matsuyama
patent: 3759464 (1973-09-01), Sato
patent: 4330098 (1982-05-01), Santoro
patent: 4599662 (1986-07-01), Iwasaki
patent: 4754347 (1988-06-01), Kodama
patent: 4843499 (1989-06-01), Ogawa
patent: 5295638 (1994-03-01), Lee
patent: 5372326 (1994-12-01), Kim
Daewoo Electronics Co. Ltd.
Darling John P.
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